Garay



Patented May zo, 1890.

/Nl/ENTUR ATTORNEYS J. B. ALZUGARAY. RUIBLE PURNAE.

(No Model.)

W/TNESSES JOS BAXERES ALZUGARAY, OF OPORTO, PORTUGAL.

CRUCIBLE FU RNACE.

SPECIFICATION forming part of Letters Patent No. 428,441, dated May 20,`1890.

Application filed October 10, 1889. Serial No. 326,538. (No model.)Patented in Spain March 4, 1889, No. 9,293, and in Portugal September 3,1889, No. 1,397.

To all whom, it may concern:

Be it known that I, JOS BAXERES ALZU- GARAY, a citizen of the ArgentineRepublic, and a resident of Oporto, Portugal, have invented a certainnew crucible furnace for the extraction, melting, reduction, andrefining of metalloids, heavy metals, alkalies, and alkaline earthymetals and their separation from the various ores, as also a furnacesuited to suoli purpose, (for which I have obtained patents in Portugal,No. 1,397, dated September 3, 1889, and in Spain, No. 9,293, dated March4, 1889,) of which the following is a specification.

My invention relates to a furnace which can be used for the purpose offusing, smelting, or refining all kinds of metals, ores, regulus,

or slags, such as antimony, silver, arsenic,

bismuth, cobalt, copper, tin, nickel, gold, and lead.

In order to make myinvention more clearly understood, I shall now referto the accompanying drawings, in which- Figure 1 is avertical section ofthe furnace. Fig. 2 is a plan view, partly in section, of the furnace.

The same letters of reference indicate corresponding parts in all thefigures.

A is an iron, lime, alumina, magnesia, or other suitable crucible forfusing the ore; c, the discharge-pipe cast with the crucible or fixed toit for the discharge of the reduced refined metal and the dross.

d is the plug or key of the discharge-pipe, which closes the crucibleduring the process.

N O are fire-brick or other suitable supports on which the cruciblerests; l), the grating of the fire-box, on which the combustible coal,charcoal, coke, dto., are placed, and through which the air passes tokeep up the combustion.

e are the walls of the furnace arranged in Octagon form; H, the interiorof the furnace, in the center of which the crucible is placed, so thatit may receive the heat all around it.

a is the removable lid or cover of the furnace, having a centralorifice, and ais the removable lid or cover of the crucible, having acentral orifice in alignment or coincident With the orice in thefurnace-lid.

X is a removable tapering charging-tube extending vertically through thesaid aligned orifices into the crucible and supported and sustainedabove and below by the furnace and crucible lids, said tube having asupporting-flan ge a and movable cover A and serving to introduce thecharge into the crucible, to inspect the condition of the charge, and toconcentrate the heat.

A is a lid of opening by which the combustible is introduced, and bymeans of which the process and Working of the furnace may be watched. Itis closed when necessary to avoid loss of heat or to accelerate thedraft up the chimney.

K is a ventilator for introducing air into the furnace and ascertainingthe amount of draft necessary for the combustion; h', discharge ofchimney; fy, chimney with damper L for regulating the draft; 7',supportfor chimney.

t is a door for the chimney.

What I claim as new, and desire to secure by Letters Patent, is Y Ametallurgic dry-process furnace consisting of the furnace structurehaving a {ire-place in its base, a crucible arranged centrally in thefurnace-chamber and having a metal and dross discharge pipe openingthrough the furnace-Wall, a removable lid or cover for thefurnace-chamber,'having a center orifice, a removable lid or cover forlthe crucible, having a center orifice in the furnace-lid, and thecharging, inspecting, and heat-concentrating tube extending through thesaid aligned oriiices into the crucible, supported above and below bythe furnace and crucible lids, and having a movable cover at its upperend,substantially as described.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing Witnesses.

JOSE BAXERES ALZUGARAY.

Witnesses:

J. DAvIs SMITH, ALFREDO Pro SHANsoL.

